Evidence row 2633592

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chainhilt.ai/api/v1/predict/polymarket/orders/construct"
    ]
  ],
  "name": "chainhilt-x402",
  "owner_address": "0xdece8e839414e4a99213c658abbd2294d5bd42b0",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xdECE8E839414E4a99213C658ABbD2294d5BD42B0",
        "scheme": "exact"
      }
    ],
    "description": "Construct a prediction-market order; never submits. `account` is the signer EOA; by default the maker is its deposit wallet (signatureType 3). Requires `credentialToken` from /predict/polymarket/credentials. Returns `construction` and a signature action the chainhilt wallet signs and POSTs to /predict/polymarket/orders/submit. Review orderSummary and warnings before signing: `estimatedBuilderFee` (ours) and `estimatedVenueFee` (Polymarket's) are pUSD on top of the principal.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "account": "0xE4934BB19E0B97109033dBfDcCc6957E32F9Cc60",
              "credentialToken": "pcr1.…",
              "marketId": "512329",
              "orderType": "GTC",
              "outcomeTokenId": "111",
              "postOnly": false,
              "price": "0.42",
              "side": "buy",
              "size": "10",
              "walletType": "deposit_wallet"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "construction": {
                "constructionToken": "…",
                "orderSummary": {
                  "estimatedBuilderFee": {
                    "amount": "0.021",
                    "asset": "pUSD"
                  },
                  "estimatedVenueFee": {
                    "amount": "0",
                    "asset": "pUSD"
                  },
                  "limitPrice": "0.42",
                  "shares": "10",
                  "side": "buy"
                },
                "venue": "polymarket",
                "warnings": [],
                "wire": {
                  "expiration": "0",
                  "orderType": "GTC",
                  "postOnly": false
                }
              },
              "response": {
                "actions": [
                  {
                    "chainId": 137,
                    "data": {
                      "constructionToken": "…",
                      "credentialToken": "pcr1.…",
                      "typedData": {
                        "primaryType": "TypedDataSign"
                      }
                    },
                    "protocol": "polymarket",
                    "submitPath": "/predict/polymarket/orders/submit",
                    "type": "signature"
                  }
                ],
                "errors": [],
                "warnings": []
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "additionalProperties": false,
                  "properties": {
                    "account": {
                      "pattern": "^0x[a-fA-F0-9]{40}$",
                      "type": "string"
                    },
                    "credentialToken": {
                      "minLength": 1,
                      "type": "string"
                    },
                    "expiresAt": {
                      "type": "string"
                    },
                    "marketId": {
                      "pattern": "^[A-Za-z0-9_-]{1,128}$",
                      "type": "string"
                    },
                    "orderType": {
                      "enum": [
                        "GTC",
                        "GTD"
                      ],
                      "type": "string"
                    },
                    "outcomeTokenId": {
                      "minLength": 1,
                      "type": "string"
                    },
                    "postOnly": {
                      "default": false,
                      "type": "boolean"
                    },
                    "price": {
                      "pattern": "^0\\.[0-9]{1,6}$",
                      "type": "string"
                    },
                    "side": {
                      "enum": [
                        "buy",
                        "sell"
                      ],
                      "type": "string"
                    },
                    "size": {
                      "pattern": "^[0-9]+(\\.[0-9]{1,2})?$",
                      "type": "string"
                    },
                    "walletType": {
                      "default": "deposit_wallet",
                      "enum": [
                        "deposit_wallet",
                        "eoa"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "marketId",
                    "outcomeTokenId",
                    "side",
                    "orderType",
                    "price",
                    "size",
                    "account",
                    "credentialToken"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T19:46:30.95Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T19:46:32.724Z"
    },
    "resource": "https://chainhilt.ai/api/v1/predict/polymarket/orders/construct",
    "serviceName": "chainhilt-x402",
    "tags": [
      "predict",
      "polymarket",
      "prediction-markets",
      "execution",
      "orders"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Construct a prediction-market order; never submits. `account` is the signer EOA; by default the maker is its deposit wallet (signatureType 3). Requires `credentialToken` from /predict/polymarket/credentials. Returns `construction` and a signature action the chainhilt wallet signs and POSTs to /predict/polymarket/orders/submit. Review orderSummary and warnings before signing: `estimatedBuilderFee` (ours) and `estimatedVenueFee` (Polymarket's) are pUSD on top of the principal."
}

What the leaf hashes

{"body":"12a873ef8d2ce57cbcfa1d0bb091d03f1f7709aa8fc4b49fe89b3111118a4260","id":2633592,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734406315486,"prev":2199909,"subject":"x402_bazaar:https://chainhilt.ai/api/v1/predict/polymarket/orders/construct","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x95428fc4795663f2c650c6f9e561dc6c3b78cf0172bcccd285dfa9cf95ea23ee
2. 0x1ee548601d3f17685521e3d712fabb18ffb205506f3d788378772ace78d23598
3. 0x66061632c52c270dae963fb5588c620ba197246d269a21d2c87569c88567acf9
4. 0xd4d1b5af913ff516280d00c30ba0327d68d73eaafd9d9eef2dd195489f19b3dd
5. 0xa826236d67665df93a6ca4ab708c6346943a895f3bbec84e7b310bd7997bfa9c
6. 0x8394bbbcdcd8b23b4d8c0ed81739478ab6ec567375291b8c4748f401642efa3e
7. 0xe2aa80f4599c56baf56b6c2fbce2b58f64beabed50b95d0626f21f15f7871c74
8. 0xefcac4e62e32778fd21f2346ca6eaad59f447febd8d8abc075dda462bc153457
9. 0xe0845982391f3b01253cd48b10298c234c4d5bc07ad8e5560f0f84737cc30ce8
10. 0xd667a8253e7c3932cbf1b865a528fbc0a14aa4f90a7ff3d1c30a10bc431de0b1
11. 0x9151db67e38bc7e6a394b58895d19266587d3dfd9a291241ee9b79fbc9c3cc2d
12. 0x860c2c10eba4f0e983dd4ddd068c7664a84eb2de727da7ed7b96ff05e2133dfa
13. 0xe8a1cc80f0a780fac0f4fe59ece43b6ed3c93f7812fc0d8197e2f289c28a6e91
14. 0x5c9ae28a0518d4809ee022d01782eecea78011098dc22bdff483a2aa8a023b62
15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7